Digoo 433MHz Wireless Alarm Security Kits DG-ROSA Host & Siren Set Standalone Alarm Siren Multi-function Home Security System

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Wireless DIY Home Security Alarm System Host/Siren-

(For HOSA and ALL Other 433Mhz System Learning)

Feature :
DG-ROSA Host & Siren
Not a just simple wireless siren, But also can be a Standalone Alarm System Host !
Support up to 20 wireless detectors and 5 wireless remote controllers.

Alarm both loud voice prompts and quick flash strobe, more deterrent to illegal intruders.
Wireless 433Mhz learning code : convenient, safe and efficient to adding new accessories.
Easy to install and setup, match the remote controller, you’ll have your own security alarm system running in no time!

Note: The DG-ROSA Host & Siren is avaiable for all wiress 43MHZ Host Brand.

Upgraded DIGOO 433MHz New Door & Window


Type 433MHz New Door Window Alarm Sensor
Voltage 3V Button Battery
(Already includes for your convenient using)
Under Voltage Monitoring 7.5 V+/-0.5V
Static Current <=10uA
Triggering Distance >20mm
Emission Current <=15mA
Emission Distance >=120 m (Open area)
Emission Frequency 433MHz
Working Temperature -10℃ ~50 ℃
Convenient Function Simply put it any please you want in your home 🙂
( such as door, window, drawer, wardrobe, bath etc)
When someone pass it by, DG-HOSA will ring

Note: it is suitable for KERUI Alarm Host for Digoo DG-HOSA DG-HAMA Smart Home Security System.

AF117 Wireless 433mhz window door sensor

Suitable for Vstarcam C37-AR IP Camera

Digoo DG-HOSA 433MHz Wireless Water Leakage Alarm

Specification :

Brand Digoo
Name 433MHz Wireless Water Leakage Alarm
Size 36mm x 88mm x 15mm
Quiescent Current 10uA
Detection Angle Horizontal Plane
Voltage 3V
Emission Frequency 433MHz
Working Temperure -10℃~50℃
Relative humidity < 90%RH
Power 2 x AAA Batteries (Not included)

Digoo DG-HOSA 433MHz PIR Detecto

Battery (2x AAA Battery)
(Already includes for your convenient using)
Working Current <=25mA
Static Current <= 15uA
Detect Distant 8-12m
(Depending on different house situation)
Emission Distance >=80m (Open Area )
Detect Angle 120°
Installation Height Recommend 1.8m-2.2m
Working Temperature -10℃-55℃
Frequency 433MHz


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of . (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://besthomeelectronics.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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